Electrochemical research is still vital for the creation of batteries, fuel cells, catalysts, corrosion-proof materials and advanced sensors. In these laboratory systems, electrode selection may have a direct effect on the quality of the measurement and consistency of the experiments. The Glassy Carbon Electrode / Platinum Counter Electrode allows researchers to have reliable components in various three electrode electrochemical applications.
Glassy carbon electrode is frequently employed as a working electrode due to its chemical stability, electrical conductivity, hardness and large polarization range. It has a relatively unreactive surface, which allows it to be used in a variety of electrochemical characterization techniques, such as cyclic voltammetry, linear sweep voltammetry, chronoamperometry, and others. The surface between experiments can also be polished to retain consistent electrode conditions during experiments.
The Pt Counter Electrode (also called auxiliary electrode) completes the circuit and allows the circuit to pass current in an electrochemical reaction. Platinum has been a popular choice due to its conductivity and resistance to numerous chemical conditions. Important to have enough surface area of the counter-electrode, because the current produced at the working electrode should not be restricted by the size of the counter-electrode.
The proper electrode configuration is also crucial. Experimental results can change depending on the electrode spacing, electrolyte composition, exposed surface area, current density and cell geometry. In some cases, the products of the counter electrode reaction may affect the reaction at the working electrode. A more fine-grained separation of the electrode compartments can thus be accomplished using porous ceramics, frits, or ion exchange membranes, which can be used for separation by the researchers if desired for the application.
They are especially important to labs throughout the U.S. Other research groups in California, Texas, Massachusetts, New York and elsewhere that are active in technology and manufacturing are engaged in energy storage, electrocatalysis, corrosion protection, chemical processing and advanced materials. These laboratories can benefit from repeatable procedures and data that can be confidently compared between samples by using reliable electrochemical components.
With the growing application-specific nature of research, the choice of electrodes will depend on everything from the electrolyte to be used to the potential window, the current requirements, temperature, and the method of measurement. Surface preparation and proper cleaning are important too. Removing the reaction products and keeping the working surface clean can reduce variability and aid in obtaining more reproducible measurements in replicate experiments.
Reliable lab parts can streamline everyday testing for academic researchers, industrial R&D groups, and tech developers, and help optimize experimental processes. The choice of an electrode is not just a piece of equipment, but one of the basic parts of a meaningful experimental design, and one of the important ways to obtain results which are representative of the behavior of the material or reaction being studied.
Dek Research offers electrochemical research equipment and custom electrode solutions for labs and research facilities worldwide across the United States. The products are used in electrochemical analysis, corrosion research, energy research, characterization of electrodes and development of advanced materials. Dek Research offers a range of electrochemical components and solutions for the search for Glassy Carbon Electrode, Pt Counter Electrode and more.